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95 lines
2.1 KiB
95 lines
2.1 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*
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* This application is meant to be run with the Pin tool "call-app-stress-tool.cpp".
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* It is a stress test for calling PIN_CallApplicationFunction() while handling signals.
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*/
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#include <stdio.h>
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#include <signal.h>
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#include <sys/time.h>
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extern "C" void PIN_TEST_FOO();
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extern "C" void PIN_TEST_BAR();
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static void Handle(int);
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typedef void (*FUN)();
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static const unsigned SIGCOUNT = 1000;
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volatile FUN pFoo = PIN_TEST_FOO;
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volatile unsigned SigCount = 0;
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volatile unsigned long LoopCount = 0;
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int main()
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{
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struct sigaction act;
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act.sa_handler = Handle;
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act.sa_flags = 0;
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sigemptyset(&act.sa_mask);
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if (sigaction(SIGALRM, &act, 0) != 0)
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{
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fprintf(stderr, "Unable to set ALRM handler\n");
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return 1;
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}
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struct itimerval itval;
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itval.it_interval.tv_sec = 0;
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itval.it_interval.tv_usec = 10000;
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itval.it_value.tv_sec = 0;
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itval.it_value.tv_usec = 10000;
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if (setitimer(ITIMER_REAL, &itval, 0) == -1)
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{
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fprintf(stderr, "Unable to set up timer\n");
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return 1;
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}
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// Each iteration of this loop causes the Pin tool to execute a PIN_CallApplicationFunction().
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//
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while (SigCount < SIGCOUNT)
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{
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pFoo();
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LoopCount++;
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}
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itval.it_value.tv_sec = 0;
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itval.it_value.tv_usec = 0;
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if (setitimer(ITIMER_REAL, &itval, 0) == -1)
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{
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fprintf(stderr, "Unable to disable timer\n");
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return 1;
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}
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printf("Main returning\n");
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return 0;
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}
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void PIN_TEST_FOO()
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{
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// The Pin tool places an instrumentation point here, which calls PIN_TEST_BAR().
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}
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void PIN_TEST_BAR()
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{
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}
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static void Handle(int sig)
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{
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SigCount++;
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printf("SigCount=%u, LoopCount=%lu\n", SigCount, LoopCount);
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fflush(stdout);
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}
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